Development and simulation of a gridded thermionic cathode electron gun for a high-energy photon source |
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作者姓名: | Sheng-Chang Wang Da-Yong He Cai Meng Jing-Yi Li Zu-Sheng Zhou Jin-Dong Liu |
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作者单位: | Institute of High Energy Physics, Chinese Academy of Sciences |
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摘 要: | A gridded thermionic cathode electron gun was developed for the linear accelerator of the High Energy Photon Source(HEPS). An electron gun should provide a large maximum bunch charge with a wide adjustable range. To satisfy these requirements, the shape of the electrode was optimized using a multi-objective genetic algorithm. A large bunch charge with an adjustable range was achieved using the grid-limited gun, the flow of which was analyzed using 3-D simulations. The electron gun has been manuf...
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